제출 #170621

#제출 시각아이디문제언어결과실행 시간메모리
170621mdn2002Stove (JOI18_stove)C++14
0 / 100
2 ms376 KiB
#include<bits/stdc++.h>
using namespace std;
const long long mod=998244353;
long long n,k;
multiset<long long>ms;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
    cin>>n>>k;
    int a,b;
    cin>>b;
    for(int i=0;i<n-1;i++)
    {
        cin>>a;
        ms.insert(a-b+1);
        b=a+1;
    }
    long long ans=0;
    for(int i=0;i<n-k;i++)
    {
        ans+=*ms.begin();
        ms.erase(ms.begin());
    }
    if(ans==0)cout<<n;
    else cout<<ans;
}
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...